防爆电缆接头规格尺寸表G、M、NPT、PG螺纹
2021-07-29 19:10:00 来源：本站 浏览：3941
防爆电缆接头规格尺寸表G、M、NPT、PG螺纹规格尺寸表
英制螺纹、公制螺纹、美制螺纹、德制螺纹尺寸对照表格
| G螺纹 | 螺距 | 外径公差 | 内径公差 | 有效螺纹长度 | |
| G1/2 | 1.814 | 20.50－20.60 | 19.00－19.10 | 13.2 | |
| G3/4 | 1.814 | 26.00－26.10 | 24.50－24.60 | 14.5 | |
| G1" | 2.309 | 32.70－32.80 | 30.80－30.90 | 16.8 | |
| G1.2" | 2.309 | 41.35－41.45 | 39.45－39.55 | 19.1 | |
| G1.5" | 2.309 | 47.20－47.30 | 45.30－45.40 | 19.1 | |
| G2" | 2.309 | 59.00－59.10 | 57.10－57.20 | 23.4 | |
| G2.5" | 2.309 | 74.50－74.60 | 72.80－72.90 | 26.7 | |
| G3" | 2.309 | 87.15－87.25 | 85.53－85.63 | 29.8 | |
| G4" | 2.309 | 112.3－112.4 | 110.6－110.8 | 35.8 |
| M螺纹 | 牙距 | 外径 | 内径 |
| M12×1.5 | 1.5 | 12 | 10.5 |
| M14×1.5 | 1.5 | 14 | 12.5 |
| M16×1.5 | 1.5 | 16 | 14.5 |
| M18×1.5 | 1.5 | 18 | 16.5 |
| M20×1.5 | 1.5 | 20 | 18.5 |
| M22×1.5 | 1.5 | 22 | 20.5 |
| M24×1.5 | 1.5 | 24 | 22.5 |
| M25×1.5 | 1.5 | 25 | 23.5 |
| M27×1.5 | 1.5 | 27 | 25.5 |
| M30×1.5 | 1.5 | 30 | 28.5 |
| M32×1.5 | 1.5 | 32 | 30.5 |
| M40×1.5 | 1.5 | 40 | 38.5 |
| M50×1.5 | 1.5 | 50 | 48.5 |
| M63×1.5 | 1.5 | 63 | 61.5 |
| NPT螺纹 | 牙距 | 外径 | 牙数 | |
| NPT1/4" | 1.41 | 13.616 | 18 | |
| NPT3/8" | 1.41 | 17.055 | 18 | |
| NPT1/2" | 1.814 | 21.224 | 14 | |
| NPT3/4" | 1.814 | 26.569 | 14 | |
| NPT1" | 2.209 | 33.228 | 11.5 | |
| NPT11/4" | 2.209 | 41.985 | 11.5 | |
| NPT11/2" | 2.209 | 48.054 | 11.5 | |
| NPT2" | 2.209 | 60.092 | 11.5 |
| PG螺纹 | 牙距 | 外径 | 内径 |
| PG7 | 1.27 | 12.5 | 11.28 |
| PG9 | 1.41 | 15.2 | 13.86 |
| PG11 | 1.41 | 18.6 | 17.26 |
| PG13.5 | 1.41 | 20.4 | 19.06 |
| PG16 | 1.41 | 22.5 | 21.16 |
| PG21 | 1.588 | 28.3 | 26.78 |
| PG29 | 1.588 | 37 | 35.48 |
| PG36 | 1.588 | 47 | 45.48 |
| PG42 | 1.588 | 54 | 52.48 |
| PG48 | 1.588 | 59.3 | 57.78 |
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